package com.weidong.reggie.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 描述:全局异常处理
 *
 * @author WeiDong
 * @date 2022/9/9  17:02
 */
@Slf4j
@ResponseBody
@ControllerAdvice(annotations = {RestController.class, Controller.class})//拦截加了RestController,Controller的类
public class GlobalExceptionHandler {

    /**
     * 全局异常处理方法,此处为已存在，重复时异常
     * @param ex
     * @return
     */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());

        if(ex.getMessage().contains("Duplicate entry")){
            String[] split = ex.getMessage().split(" ");
            String msg = split[2]+"已存在";
            return R.error(msg);
        }

        return R.error("添加失败,未知错误");
    }


    /**
     * 全局异常处理方法,分类关联了菜品，套餐，则不能删除
     * @param ex
     * @return
     */
    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){
        log.error(ex.getMessage());

        return R.error(ex.getMessage());
    }
}
